Stud.



L. E. LADD;

,STUD.

APPLICATION FILED 11301 1914,

1,132,662, Patented Mar. 23-, 1915.

Jiyi

7H5 NORRIS PETE/es co.,.Pl;IOTO-LITHQ, WASHINGTON, D. r V

LOUIS E. LADD, 0F PROVIDENCE, BHO'DE ISLAND.

STUD.

Application filed December 8, 1914.

to increase the strength and facilitate the manipulation of such structures, as well as to simplify and cheapen the construction of the same.

To the above ends essentially my invention consists in such parts and combinations of parts as fall within the scope of the appended claims.

In the accompanying drawings which form a part of this specification, Figures 1 and 2 are side elevations of my stud'in closed and open positions respectively, Figs. 3 and 4, partial longitudinal central sections of the same shown in Figs. 1 and 2 respectively, Figs. 5 and 6, plan and side elevations respectively of the fixed member, and Figs. 7 and 8, detail views of the slidable rod and the stud member respectively.

Like reference characters indicate like parts throughout the views.

In detail my stud comprises a cylindrical tubular shoe or stem A provided with a point a on one end, and an inwardly directed shoulder or shoulders at on the other formed at each side of a longitudinally extending guide plate B integral with the tube A and provided with a longitudinal slot 6 opening into the tube. The outer end of the guide has a point 6. Slidably mounted in the tube A is a rod C of greater length than the tube provided with a shoulder c on its outer end, against which bears the end of a helical spring D surrounding the rod, and whose opposite end abuts against the shoulder a. A pivot pin E is mounted in or integral with a portion of the rod which normally projects beyond the end of the tube and into the guide slot 6. A stud post F has a bifurcated lower portion forming parallel ears f provided with openings f to receive the pin E whereby the post is pivotally connected with the rod. Inter- Specification of Letters Patent.

Patented Mar. 23, 1915.

Serial No. 876,034.

mediate the ears the post is provided with a pointed cavity 9. Upon the post is a head G, completing the post member.

The operation of the" stud is similar to those of this type. Preparatory to insertion the stud is moved from its normal position shown in Fig. 3 to the position indicated in Fig. 4, where the post F is inalinement with the tube A and the point 6 registers in the cavity 9. The pointed character of the guide end and cavity tend to maintain the parts in alinement, and the increased pressure of the spring D on the rod increases this result. Thus the shoe and stud portions of the device are temporarily rigid, and the stud may be easily inserted into a garment.

It will be noted that in seating and unseating the stud member relatively to the point 6' no manipulation of auxiliary parts is required. The integral character of the plate B relatively to the tube, and the protection that this guide plate afi'ords to the rod moving in the slot 72 imparts strength and protection to the entire structure. The location of the pivot member in the rod insures strength at the point of greatest strain.

What I claim 1s, 1. In a stud, the combination of a tubular body, a guide plate integral with the tube and provided with a longitudinal slot, a rod slidably mounted in the tube and extending into the slot, a pivot pin in the rod, a spring engaging the tube and rod, a post, ears upon the post engaging the pin and embracing the plate, said post being provided with a cavity between the ears, and a head on the 0st. p 2. In a stud, the combination of a tubular body, a guide plate integral with the tube and provided with a longitudinal slot, and with a point upon its free end, a rod slidably mounted in the tube and slot, resilient means upon the rod for maintaining a portion of the rod within the tube, a post pivotally connected with the rod, a pointed cavity in the post adapted to receive the point upon the LOUIS E. LADD.

Witnesses:

HORATIO E. BnLLows, CHARLES S. J ENOKES.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. 0. 

